Amber Heard Stuns In A Strappy Backless Dress GIANT FREAKIN ROBOT Amber Heard in de GRISOGONO jewels on red carpet at Cannes I remember checking my back for bruises. My dress was backless." Amber Heard is talking about THIS DRESS in Tokyo. She said Johnny Depp choked, slammed, beaten. KNEE IN BACK. NO MARKS. Amber Heard Editorial Stock Photo Stock Image Shutterstock Editorial Amber Heard steps out in backless white dress